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Onset CDP, MA
ZIP 02558 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Working ClassLow Snow AreaRemote Work Hub
Climate, disaster risk, air quality, and environmental safety
Environment & Risk in ZIP Code 02558
Climate & Weather in ZIP Code 02558
Climate normals for Onset CDP, MA show little to no average snow and around 51.1 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 7a |
| Annual precip (in) | 51.14 |
| Snow days | 0 |
| Broadband access | 87.4% |
| Risk & Air Quality | |
|---|---|
| NRI rating | Relatively Moderate |
| NRI risk index | 90.4 |
| Flood risk (NRI) | 92.9 |
| Wildfire risk (NRI) | 53.8 |
| Hurricane risk (NRI) | 90.7 |
| IRS net migration | 78 |
| Median AQI | 40 |
| Good AQI days | 80.3% |